Mathematical Calculators
Long Divide,Multiply, Add and Subtract Calculator Online
Long calculator is the best assistant in your studies. The calculator can long add, long subtract, long multiply and long divide examples, as they teach in school.
Percentage Calculator Online
The percentage calculator finds a percentage of a number, adds and subtracts percentages, finds 100%, calculates the percentage ratio of two numbers and other operations with percentages.
GCD and LCM Calculator Online
Calculator for finding the greatest common divisor (GCD) and least common multiple (LCM) with a step-by-step solution. Up to 50 numbers at once.
Prime Factorization Calculator Online
The calculator quickly breaks any natural number into a product of prime factors with a step-by-step solution. Up to 50 numbers at once.
Basic Calculator Online
Free online math calculator. Adds, subtracts, multiplies and divides numbers, works with brackets and decimals.
Square Root and Nth Root Calculator
The calculator finds square roots, cube roots and roots of any index, simplifies radicals and shows a step-by-step solution.
Quadratic Equation Solver with Steps
The calculator solves ax² + bx + c = 0 using the discriminant: exact roots with simplified radicals, complex roots and a check with Vieta's formulas.
Divisors Calculator and Prime Number Checker
The calculator finds all divisors of a number, how many there are and their sum, and checks whether the number is prime or composite.
Roman Numerals Converter
The converter turns numbers from 1 to 3999 into Roman numerals and back, breaks them down by place value and checks that they are written correctly.
Exponential, Logarithmic and Trigonometric Equation Solver
The calculator solves aˣ = b, logₐx = b, sin x = a, cos x = a and tan x = a with exact answers for standard values.
Inequality Solver: Linear, Quadratic, Absolute Value
The calculator solves linear, quadratic and absolute value inequalities and writes the answer in interval notation.
Division with Remainder Calculator
The calculator divides whole numbers with a remainder and finds the quotient and the remainder step by step, including negative numbers.
Exponent Calculator Online
The calculator raises whole and decimal numbers to any power, including negative exponents, with an exact result and a step-by-step solution.
Rounding Calculator Online
The calculator rounds numbers to the nearest thousand, hundred, ten, whole number, tenth, hundredth or thousandth with a step-by-step explanation.
Compare Numbers Calculator
The calculator compares whole numbers and decimals, positive and negative, and explains step by step which number is greater.
Sum of Numbers from 1 to N Calculator
The calculator finds the sum of all numbers from 1 to N or from M to N using the Gauss formula with a step-by-step solution.
Clock Angle Calculator
The calculator finds the angle between the hour and minute hands for any time, draws the clock face and shows a step-by-step solution.
Biquadratic Equation Solver
The calculator solves the biquadratic equation ax⁴ + bx² + c = 0 with the substitution t = x², step by step.
Cubic Equation Solver
The calculator solves the cubic equation ax³ + bx² + cx + d = 0: rational root theorem, synthetic division, Cardano's formula.
System of Linear Equations Solver: Cramer, Gauss, Inverse Matrix
The calculator solves systems of 2 and 3 linear equations by Cramer's rule, Gaussian elimination and the inverse matrix method with exact fractions.
Linear Equation Solver
The calculator solves the linear equation ax + b = cx + d step by step: moving terms, combining like terms and checking the answer.